Manganese dioxide is an inorganic compound with the chemical formula MnO2, which exists in the form of pyrolusite in nature.

Aluminum boride (AlB2) is a binary compound formed by aluminum and boron.

Alumina is an inorganic substance with the chemical formula Al2O3.

Spherical quartz SiO2 powder balls are purified and ultra-finely crushed from natural quartz stone,and undergo a certain high temperature field to make their phase,crystal and shape change from solid to molten and then from solid to crystal(from crystalli

Chromium carbide is an organic compound with a molecular formula of Cr3C2 and a molecular weight of 180.01.

Tantalum carbide powder is insoluble in water, almost insoluble in inorganic acid, soluble in a mixed acid of hydrofluoric acid and nitric acid, and can be decomposed.

Molybdenum carbide is a new type of functional material with a high melting point, high hardness, and excellent corrosion resistance.

Aluminum nitride powder has high purity, small particle size and high activity.

Silicon is the most promising electrode material for next-generation lithium-ion batteries, with a specific capacity (3600 mAh/g) about 10 times higher than graphite (372 mAh/g).

Boron is insoluble in water,boron powder is soluble in boiling nitric acid and sulfuric acid,and most molten metals such as copper,iron,manganese,aluminum and calcium.